Non-perforated Window Screen Limiter Aluminum Alloy Door and Window Fixed Push-pull Child Lock Buckle Anti-theft LockDescription:Name: window lockMaterial: zinc alloySpecifications: unmarried gap ivory white (with key), double gap ivory white (with key), single gap shiny black (with key), double hole shiny black (with key), unmarried hole classic silver (with key), double gap basic silver (with key), safety window lock (with key)Scope of application: sliding windowSpecifications:1. Product features: thickened material, thickened panel, thickened chain, controllable width.2. Product use: window limit lock, unfastened control window width, to forestall young people from mountaineering out of the window.3. A type of kinds are available, all with keys to ensure the safety of children.4. Easy installation:① Prepare little one safety window lock② Determine the window opening width③ Adjust the width of the top sheet④ The width of height sheet is smaller than that of card slot⑤ Turn the major to the correct and tighten itPackage Included:1 * window lock1 * Key